HT1632C有4种模式识别码,如下表所示: 我们来看看写DRAM数据时序(Write Data),如下图所示: 首先发送模式识别码“101”,表示后续跟随的11位串行数据是往DRAM地址(7位)中写入数据(4位)。需要特别注意的是:7位地址的最高位先发送,而4位数据的最低位反而先发送。在众多使用串行通讯接口的控制器件中,这可以说是比...
The LED flashes to simulate actual heart beat thump-thump-pause. The frequency is in direct proportion to 1-minute average CPU load. (7)Flash Writes The LED flashes as data is written to flash memory. (8)Network Activity The LED flashes with link status and/or send and receive activity ...
*/inttestled_open(struct inode*inode,struct file*filp){return0;}ssize_ttestled_read(struct file*file,char __user*buff,size_t count,loff_t*offp){return0;}ssize_ttestled_write(struct file*file,constchar __user*buff,size_t count,loff_t*offp){return0;}staticlongtestled_compat_ioctl(str...
row[i]);hc595_write_data(0x00);i++;}}voidInterruptTimer0()interrupt1{TH0=0xDC;// 高TL0=...
TM1620_Write_Byte(Disp_Mode_GRID6_SEG8); SET_STB; //设置地址自动增加模式 TM1620_Write_Byte(Write_Data_Addr_Auto_Add); SET_STB; //利用循环清除显示寄存器地址 TM1620_Write_Byte(Disp_SFR_Addr_00H); //首地址 for(i=0;i<Disp_SFR_Addr_Num;i++) ...
Data选择列要显示的数据,高位在上,1为亮,0为灭 * @retval 无 */voidMatrixLED_ShowColumn(unsigned char Column,unsigned char Data){_74HC595_WriteByte(Data);MATRIX_LED_PORT=~(0x80>>Column);Delay(2);MATRIX_LED_PORT=0xFF;}/** * @brief 点阵屏初始化 ...
hc595_write_data(gled_row[i]);//发送第一列对应的行数据,如0x21,对应16进制是0111 1100,变为 time_delay(100);//延时 hc595_write_data(0x00);//消影 } } } 3it3iap2n2xxu +关注 255文章 0 0 0 0 相关文章 柳鲲鹏 运行可用:使用FreeType输出中文汉字点阵图形的源码 运行可用:使用FreeType...
LED1602Data PB_ODRvoid GPIO_Init(void);void LED1602_Init(void);void LED1602_WriteData(u8 Data); //写数据void LED1602_WriteComm(u8 Data); //写命令void LED1602_Play(void); //字符串显示void LED1602_DataPrev(u8 Data); //数据准备void Delay(u16 time);//显示的两个字符串u8 StringBuff1...
.open = mydrv_open,.release = mydrv_close,.read = mydrv_read, .write = mydrv_write, .unlocked_ioctl = mydrv_ioctl, };//unlockedioctl函数进行注册/*** functions: init , exit***///条件值变量，用于指示资源是否正常使用unsigned char init_flag = 0;unsigned char add_code_flag = 0;//init...
writeLED(mypi,led,value)overrides the default behavior of the LED and turns it on or off. example Examples Control the On-Board LED You can locate and control the on-board LED, turning it on and off. Create a connection from the MATLAB®software to the Raspberry Pi®board. ...